Troubleshooting,
Continued
Table C–1
(Continued) System Problems
Symptom
Possible Cause
Corrective Action
Incorrect boot
device was
specified.
Change the default
recovery action to boot the
system from the system
disk.
Expansion
boxes were not
powered on first.
Turn the system box off,
make sure the expansion
boxes are on, and then
turn on the system box.
Boot device is
not properly
configured.
Enter the SHOW DEVICE
command and ensure that
all devices are configured
correctly. If not, check
SCSI IDs and SCSI cables
Faulty boot
device.
Run system exerciser,
replace drive if defective.
Unable to boot
from the network
(EZA0).
Refer to Table C–6.
Monitor
Problems
Table C–2 Monitor Problems
Symptom
Possible Cause
Corrective Action
Screen is blank.
Monitor is not
turned on.
Turn the monitor on.
Ensure that the switch is
working correctly and that
the monitor power cord is
connected at both ends.
Continued on next page
C–6